Triple

T17253522
Position Surface form Disambiguated ID Type / Status
Subject Pencoed railway station E418817 entity
Predicate hasStationCode P1289 FINISHED
Object PCD
PCD is the National Rail station code for Pencoed railway station in Wales.
 E1258920 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: PCD | Statement: [Pencoed railway station, hasStationCode, PCD]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PCD
Context triple: [Pencoed railway station, hasStationCode, PCD]
  • A. PCD
    PCD is a U.S. Army facility in Colorado that stored and oversaw the destruction of chemical weapons as part of the nation’s chemical demilitarization program.
  • B. PCD
    PCD is the 2005 debut studio album by American girl group The Pussycat Dolls, featuring pop and R&B hits like "Don't Cha" and "Buttons."
  • C. pcd
    pcd is the ISO 639-3 language code for Poitevin-Saintongeais, a Romance language spoken in western France.
  • D. PDCO
    PDCO is the European Medicines Agency’s Paediatric Committee, responsible for assessing and promoting the development and safe use of medicines for children in the European Union.
  • E. P$C
    P$C is a hip hop group closely linked to producer DJ Toomp and the Atlanta rap scene.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: PCD
Triple: [Pencoed railway station, hasStationCode, PCD]
Generated description
PCD is the National Rail station code for Pencoed railway station in Wales.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PCD
Target entity description: PCD is the National Rail station code for Pencoed railway station in Wales.
  • A. PCD
    PCD is a U.S. Army facility in Colorado that stored and oversaw the destruction of chemical weapons as part of the nation’s chemical demilitarization program.
  • B. PCD
    PCD is the 2005 debut studio album by American girl group The Pussycat Dolls, featuring pop and R&B hits like "Don't Cha" and "Buttons."
  • C. pcd
    pcd is the ISO 639-3 language code for Poitevin-Saintongeais, a Romance language spoken in western France.
  • D. PDCO
    PDCO is the European Medicines Agency’s Paediatric Committee, responsible for assessing and promoting the development and safe use of medicines for children in the European Union.
  • E. P$C
    P$C is a hip hop group closely linked to producer DJ Toomp and the Atlanta rap scene.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d886d9ab108190b70edd8d17aa1204 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e42e6a1b648190a8bb2deb67bbdfdc completed April 19, 2026, 1:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0170fd7f7c81908f417fa758e861a2 completed May 11, 2026, 6:02 a.m.
NEDg Description generation batch_6a01722af058819099ed80edbd2f5d0a completed May 11, 2026, 6:07 a.m.
NED2 Entity disambiguation (via description) batch_6a0172cfe09081908bb64fc39bd2f46d completed May 11, 2026, 6:10 a.m.
Created at: April 10, 2026, 5:39 a.m.